Unit III Muscle Attachments Flashcards
Buccinator
Alveolar processes of maxilla and mandible, pterygoid hamulus and pterygomandibular raphe to buccal angle.
Depressor anguli oris
Mandible (anterior border) to buccal angle
Depressor labii inferioris
Lower oblique line of mandible to skin and mucosa of lower lip
Frontalis
Superficial fascia of eyebrows to epicranial aponeurosis
Levator anguli oris
Canine fossa of maxilla to angle of mouth
Levator labii superioris
Infraorbital margin to lateral aspect of upper lip
Mentalis
Incisive fossa of mandible to skin of chin
Nasalis
Maxilla lateral and inferior to nasal notch to bridge and ala of nose
Orbicularis oculi
From orbital margin, medial palpebral ligament to superficial fascia of eyelid
Orbicularis oris
Angle of mouth to superficial fascia of upper lip
Platysma
Lower border of mandible to superficial fascia of skin of neck overlying clavicle
Zygomaticus major
Zygomatic bone to angle of mouth
Inferior oblique (eye)
Maxilla lateral to nasolacrimal groove to inferolateral posterior aspect of sclera
Inferior rectus
Common tendinous ring to inferior aspect of sclera
Lateral rectus
Common tendinous ring to lateral aspect of sclera
Levator palpebrae superioris
Inferior aspect of lesser wing of sphenoid to tarsus and skin of upper lid
Medial rectus
Common tendinous ring to medial aspect of sclera
Superior oblique (eye)
Superomedial, posterior aspect of orbit (body of sphenoid) to superolateral, posterior aspect of sclera passing around trochlea (superomedial, anterior aspect of the orbit)
Superior rectus
Common tendinous ring to superior aspect of sclera
Masseter
Zygomatic arch to angle of mandible and lateral aspect of ramus
Temporalis
Temporal fossa to coronoid process and anterior border (temporal crest) of ramus of mandible
Lateral pterygoid
Infratemporal surface of sphenoid and lateral surface of lateral pterygoid plate to pterygoid fovea of mandible and the TMJ disc
Medial pterygoid
Medial surface of lateral pterygoid plate and adjacent pterygoid fossa to medial aspect of angle of mandible
Anterior digastric
Digastric fossa of mandible to intermediate tendon (lesser cornu of hyoid)
Posterior digastric
Temporal mastoid notch to intermediate tendon
Geniohyoid
Inferior genial tubercle of mandible to anterior aspect of body of hyoid
Longus capitis
Anterior tubercles of transverse processes of cervical vertebrae to basilar occipital bone
Longus colli
Cervical vertebral bodies and anterior tubercle of atlas to cervical vertebral bodies and transverse processes